Pad for dispensing liquid, pasty and pulverulent products



Nov. 29, 1960 P. Y. ZECCHINI PAD FOR DISPENSING LIQUID, PASTY ANDPULVERULENT PRODUCTS Filed June 4, 1957 United States Patent I 2.961. 17ran FOR nrsrrmsmo mourn, rxs-rv AND PULVERULENT rnonucrs Pierre YvesZecchlni, so Rue Louis David, Bagnolet, Seine, France Filed June 4,1957, Ser. No. 663,448

Claims priority, application France June 4, 1956 3 Claims. (Cl. 15-131)This invention relates to an improved pad for dispensing products inliquid, pasty and pulverulent form.

It is known to take a paste or any other product from a container and toapply same by using a pad comprising an application surface of flexiblematerlal mounted on a support provided with gripping means. n the otherhand it is known to wrap the products to be applied in a casing orenvelope of plastic material which is torn, out or pierced before use.

Now it is the essential object of this invention to provide an improveddispensing pad containing the product to be applied. This pad ischaracterized by the combination of an application surface of cellularplastic with a certain quantity of the product to be applied which isplaced into a sealed pocket of metallized paper or flexible plasticsheet, and also with a flexible casing secured to the outer edge and onone side of said application surface to press the pocket against saidsurface;

if desired and preferably, a gripping member may be mounted on thiscasing to facilitate the use of the device.

The product is enclosed in the pocket in a strictly leak-proof manner soas to preserve it indefinitely. When it is desired to use the product,the wall of the pocket is pierced for example by using a pin passingthrough the application surface. Then the user presses the pad againstthe selected support or surface and this pressure exerted on theflexible walls is sufficient to cause the product to flow in a regularand sufiicient manner through the hole previously made and onto theapplication surface, preferably of cellular material, which it soaksuniformly.

If desired, the quantity of product stored in the pocket may correspondto a single application or operation; considering for. instance the caseof shoe-polish or cream, this quantity may be sufficient for cleaningone pair of shoes.

The device of this invention will therefore bring a substantialmodification and simplification in the method of operation which up tonow consisted in taking a vessel containing the selected product,opening the vessel, taking the product therefrom and finally spreadingthe product. As the product is intended for a single use, it is thuskept in its sealed pocket under the best conditions irrespective of thestorage time, whereas conventional cleaning and polishing products,whether in metal cases or tubes intended for long use, are detrimentallyaffected after the initial opening of the containers. 0n the other hand,the device of this invention is very simple and its component elements,if they are made of plastic material, may be assembled by welding, sothat its cost may be kept very low to justify its single use. Thisdevice is particularly suitable when it is desired to obtain adispensing pad of very small weight and size the use of which is limitedto the application of a product which may be for example a shoepolish orcream.

A specific embodiment of the invention is shown in ICC wherein Figure 1is anelevational view and Figure 2 a vertical section made across adispensing'pad enclosing a pocket containing a product to be applied.

The pad proper 1 of porous orspongymateriah'preferably cellularpolyurethane resin, supports a pocket .2 of flexible material adapted tobepierced, made forexample from welded plastic sheet and filled with theproduct to be applied, for examplea liquid shoe-cleaner or polish. Acasing 3 also of plastic material covers the pocket 2 and has itsperipheral edge welded on the edge of the cellular pad 1. A gripping lug4'is also welded centrally of the casing 3.

When it is desired to use the device, the pad 1 and then the pocket 2are pierced by means of the pin 5 shown in chain-dotted lines; then theuser presses the device on the object to be treated and the pressurethus exerted on its upper flexible face is suflicient to cause theproduct to spill progressively out from the pocket 2 through the holefor soaking the cellular pad 1; then, due to the porosity of this pad 1,the product soaks the surface thereof and can be appleid uniformly onthe object to be treated.

Of course, many types of plastic materials may be used for making thecomponent elements of the dispensing pad according to this invention.

Similarly, the embodiment shown in the drawing is given by way ofexample only as many modifications may be brought thereto withoutdeparting from the spirit and scope of the invention as set forth in theappended claims, according to the specific use for which the dispensingpad is intended.

What 1 claim is:

l. Pad applicator for liquid, pasty and pulverulent products, comprisinga spongy pad proper having an appucation face and another race oppositeto said application face, said two faces being bound from each other bya circular contour, a pocket of impervious flexible material, saidpocket having a circular contour and being filled with the product to beapplied, said pocket being furthermore lard centrally on said other padface, a disk of flexible, and impervious material covering said pocketand having a circular marginal portion pro ecting beyond the pocketcontour, said circular marginal portion being secured around said pocketto the circular contour of said pad, and a gripping lug secureddiametrically on said disk, said pad permitting the application of saidproduct by perforating the application face of said pad and a wall ofsaid pocket by means of a pin, gripping said pad by means of said lug,and simultaneously exerting a pressure on said disk in order to forcethe product from said pocket through the pad material.

2. Pad applicator for liquid, pasty and pulverulent products, comprisinga spongy pad proper having an application face and another face oppositeto said applicauon face, said two faces being bound from each other by acircular contour, a pocket of impervious, flexible material, said pockethaving a circular contour and being filled with the product to beapplied and laid centrally on said other pad face, a disk of flexible,impervious material covering said pocket and having a circular marginalportion projecting beyond said pocket and said circular contour of thepad, said circular marginal portion being cation of said product byperforating said application face by means of a pin driven through theassembly until said pocket is punctured by said pin, gripping said padby means of said lug on the disk side and simultaneously pressing saiddisk in order to force said product out from said pocket through saidpad material.

3. Pad applicator for liquid, pasty and pulverulent products, comprisinga spongy pad proper having a convex application face and another faceopposite to said application face, said other face having a concavecentral portion, said two faces being bound'from each other by acircular contour, a pocket of flexible, impervious material whichcomprises a hollow central portion filled with the product to be appliedand a circular flange surrounding said hollow central portion, saidpocket being laid centrally on said other pad face with its centralhollow portion nested in said concave central portion of said other padface, a disk of flexible, impervious material covering said pocket andhaving a circular 15 marginal portion projecting beyond said circularflange, said circular marginal portion being secured around said pocketflange to said circular pad contour, and a grip ping lug secureddiametrally on said disk, said appli- 4 cator pad permitting theapplication of the product by perforating said application face and awall of said pocket by means of a pin, gripping said pad on the diskside by means of said lug and simultaneously pressing said disk in orderto force the product out from said pocket through the spongy padmaterial.

References Cited in the file of this patent UNITED STATES PATENTS1,661,564 Ebbesen Mar. 6, 1928 2,209,914 Gerber et a1 July 30, 19402,629,890 Di Giovanna Mar. 3, 1953 2,695,704 McGredy Nov. 30, 19542,790,982 Schneider May 7, 1957 FOREIGN PATENTS 767,556 Great BritainFeb. 6, 1957 1,055,585 France Oct. 14, 1953

